black whale

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black whale,

name for the black right whaleright whale,
name for whales of the family Balaenidae. They were so named by whalers, who for centuries considered them "the right whales" to hunt, because they float when killed and because they yield enormous quantities of oil and of baleen.
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 and for the sperm whalesperm whale,
largest of the toothed whales, Physeter catodon, found in the Atlantic and Pacific oceans. It is also called cachalot. Male sperm whales may grow to more than 70 ft (21 m) long and females to 30 ft (9 m).
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References in periodicals archive ?
Spiny black whales trying to beach themselves en masse.
We set sail in a catamaran and had the delight of being joined by several dolphins and black whales who swam alongside us.
The small black whales, which had been tagged on Monday before being freed from Chapin Beach in Massachusetts, were found stuck in shallow water this morning about 25 miles away.
Rangers rescued 40 of the black whales in a huge operation.